Specifications include, but are not limited to: ITEM #1Snow plow blades for Western plow shall be 6" wide x 1/2" thick x 8'6" long with " top bolt holes. WesternPart Number 49086.ITEM #2Snow plow blades for Western plow shall be 6" wide x 1/2" thick x 8' long with " top bolt holes. WesternPart Number 49089.ITEM #3Snow plow blades for Gledhill plow shall be 6" wide x " thick x 11' long with " holes, square cuttingedge, 5/8" bolt holes. Gledhill Part Number 1934-A.ITEM #4Snow plow blades for Western plow shall be 6" wide x " thick x 9' long with 10, " top bolt holes.Western Part Number 49251.ITEM #5Rubber snow plow blades for Viking plow shall be 10" wide x 1 " thick x 11' long with bolt hole pattern asper attached sketch. Viking Part Number 180071.ITEM #6Rubber snow plow blades for Western plow shall be 8" wide x 1 " thick x 8' long. Western Part Number608291